Act of March 3, 1909 (35 Stat. 783)

Relevant Provisions:

Leasing; surplus lands

States that all allotments, except those made to members of the Five Civilized Tribes and Osage, may be leased for mining purposes for any term of years as may be deemed advisable by the secretary of the interior.

Also states that:

if any Indian of a tribe whose surplus lands have been or shall be ceded or opened to disposal has received or shall receive an allotment embracing lands unsuitable for allotment purposes, such allotment may be canceled and other unappropriated, unoccupied, and unreserved land of equal area, within the ceded portions of the reservation upon which such Indian belongs, allotted to him upon the same terms and with the same restrictions as the original allotment, and lands described in any such canceled allotment shall be disposed of as other ceded lands of such reservation. This provision shall not apply to the lands formerly comprising Indian Territory.

Click here for full text in Charles J. Kappler’s Indian Affairs: Laws and Treaties, produced by Oklahoma State University Library